XBT_INFO("Send a message to %s", mailbox->get_cname());
mailbox->put(payload, comm_size, 10.0);
XBT_INFO("Send to %s completed", mailbox->get_cname());
XBT_INFO("Send a message to %s", mailbox->get_cname());
mailbox->put(payload, comm_size, 10.0);
XBT_INFO("Send to %s completed", mailbox->get_cname());